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drm/amd/display: fix missing az disable in reset backend

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Optimization in reset backend skips disable stream if it is
already done in dc_stream_set_dpms. However that path does
not disable az in order to prevent audio from toggling
between internal and external displays. This still need to
be done.

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Yang 2018-02-15 15:55:31 -05:00 committed by Alex Deucher
parent e9df99303a
commit ea7ea2a8ca
1 changed files with 16 additions and 0 deletions
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16
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
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@ -536,6 +536,22 @@ static void reset_back_end_for_pipe(
/* DPMS may already disable */
if (!pipe_ctx->stream->dpms_off)
core_link_disable_stream(pipe_ctx, FREE_ACQUIRED_RESOURCE);
else if (pipe_ctx->stream_res.audio) {
/*
* if stream is already disabled outside of commit streams path,
* audio disable was skipped. Need to do it here
*/
pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
if (dc->caps.dynamic_audio == true) {
/*we have to dynamic arbitrate the audio endpoints*/
pipe_ctx->stream_res.audio = NULL;
/*we free the resource, need reset is_audio_acquired*/
update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false);
}
}
}
/* by upper caller loop, parent pipe: pipe0, will be reset last.